#B1D79F

CSS

:root {
  --in-good-taste: #b1d79f;
  --in-good-taste-rgb: 177 215 159;
  --in-good-taste-oklch: oklch(0.837 0.086 135.8);
}

.element {
  color: var(--in-good-taste);
  background-color: hsl(101 41% 73%);
  border-color: oklch(0.837 0.086 135.8);
}

Tailwind CSS v4

@theme {
  --color-in-good-taste: #b1d79f;
  --color-in-good-taste-50: #eafbe4;
  --color-in-good-taste-100: #daefd3;
  --color-in-good-taste-200: #c3deba;
  --color-in-good-taste-300: #a2c297;
  --color-in-good-taste-400: #88aa77;
  --color-in-good-taste-500: #6c9359;
  --color-in-good-taste-600: #5c7d4c;
  --color-in-good-taste-700: #49643c;
  --color-in-good-taste-800: #36492a;
  --color-in-good-taste-900: #25331c;
  --color-in-good-taste-950: #131e0c;
}

SCSS

$in-good-taste: #b1d79f;
$in-good-taste-rgb: 177, 215, 159;
$in-good-taste-light: mix(#fff, $in-good-taste, 20%);
$in-good-taste-dark: mix(#000, $in-good-taste, 20%);

.element {
  color: $in-good-taste;
  box-shadow: 0 0 0 2px rgba($in-good-taste, 0.35);
}